What family of elements has 7 valence electrons?

What ions are formed when hcl dissolves in water?

What electron configurations do atoms usually achieve by sharing electrons to form covalent bonds?

Which statement is true about an object that is moving in a circular motion due to centripetal force, f, when the radius of its circular motion is doubled? the new force then becomes equal to 2f the new force then becomes equal to f the new force then becomes equal to f/2 the new force then becomes equal to f2 the new force then becomes equal to 1/f